A new study co-authored by MIT scholars suggests that healthier women are more likely to follow age-based guidelines, leaving room for better-targeted testing. Women who start getting mammograms at age 40 may be healthier than the population of 40-year-old women as a whole — and they have a lower incidence of breast cancer than those who do not start getting tested at that age. Therefore, simply changing age recommendations is not, by itself, an optimal way to make breast-cancer screening policy.

Read the article: https://news.mit.edu/2020/mammogram-age-guidance-1217